Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fog/Mist

21°F

-6°C

Humidity 96%
Wind Speed E 10 mph
Barometer 29.92 in (1016.4 mb)
Dewpoint 20°F (-7°C)
Visibility 5.00 mi
Wind Chill10°F (-12°C)
Last update 2 Jan 5:56 am CST
Extended Forecast for

Avon SD

Winter Weather Advisory until January 2, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 2, 06:00pm

    NOW until 6:00pm Fri

    Winter Weather Advisory

  • Today

    High: 25 °F

    Slight Chance
    Sleet then
    Chance Wintry
    Mix

  • Tonight

    Tonight: A slight chance of snow before 7pm, then a chance of flurries between 7pm and 9pm.  Mostly cloudy, with a low around 20. East wind around 5 mph becoming south after midnight.  Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36. South wind around 5 mph becoming north in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 23. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. South southwest wind 5 to 10 mph becoming west in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of snow, freezing rain, and sleet before 4pm, then a chance of snow and freezing rain between 4pm and 5pm, then a chance of snow after 5pm. Cloudy, with a high near 25. East wind 5 to 10 mph. Chance of precipitation is 50%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
A slight chance of snow before 7pm, then a chance of flurries between 7pm and 9pm. Mostly cloudy, with a low around 20. East wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 36. South wind around 5 mph becoming north in the afternoon.
Saturday Night
Increasing clouds, with a low around 23. Northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 31. South southwest wind 5 to 10 mph becoming west in the evening.
Monday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Avon SD
 43°N 98.05°W (Elev. 1647 ft)
6:13 am CST Jan 2, 2026
6am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database